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Microstructure and Microhardness of Chrome-Oxide Coating Precipitating from Gases Phase Using Liquid of Metal Organic Chrome Compositions

Key engineering materials 2019 Score: 20 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Taha A. Tabaza, Safwan Al-Qawabah, Omar Tabaza, Amjad Alsakarneh

Summary

This study analyzed how oxygen-containing additives affect the microstructure and microhardness of chromium oxide coatings deposited from metal-organic precursors. The resulting coatings showed excellent adhesion, high microhardness values up to 22 GPa, and improved microplasticity, corrosion resistance, and wear resistance.

In this work, the research team analyzes the effect of oxygen-containing additives on the microstructure and microhardness of coatings of the specimens obtained during applying pyrolytic chrome coating using metal-organic compounds (MOC) in order to obtain protective coatings. The results showed that chromium oxidation in the final phase of the coating process changed the microstructure and mechanical properties of the coating. The resulting coatings exhibit excellent adhesion, high microhardness (6-8 and up to 20-22 GPa depending on the experimental conditions) and better microplasticity, corrosion and wear resistance. In this work the effect of oxidizer on the microstructure and microhardness will be illustrated.

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